This learning object will help the student identify normal blood cells and their functions. This will include the identification of red blood cells, five types of white blood cells, and platelets.

In this animated and interactive object, learners examine the structure and functions of granulocytes and agranulocytes. Two exercises complete the activity.

In this animated activity, learners examine the symptoms of four cardiac conditions: coronary artery disease, myocardial infarction, congestive heart failure, and valvular disease.

In this learning activity you'll assemble the components of a prokaryotic cell and match the names and functions with each structure.

In this learning activity you'll review the structure and function of the different tissues of the human body.

In this interactive object, learners examine the structure and function of the sense of taste.

In this animated and interactive object, learners examine the structure and functions of granulocytes and agranulocytes. Two exercises complete the activity.

In this animated and interactive object, learners examine ABO blood antigens and Rh antigens and their compatibility.

Learners read a general description of the function and structure of leaves and examine drawings and microscopic views. A matching exercise completes the learning object.

Test your knowledge of liver functions

Answer questions about biology in a game of baseball

liver function test